Method and device for producing a component

Abstract

The invention relates to a method for producing a component ( 12 ), especially a hollow structural part for a turbomachine. The method is characterized by the following steps: a) layer-by-layer deposition of at least one powder component material ( 20 a ) onto a component platform in the region of a buildup and joining zone (I), b) deposition of at least one liquid component material ( 20 b ) onto the powder component material ( 20 a ), the liquid component material ( 20 b ) comprising at least one metal-containing compound, c) local layer-by-layer fusion or sintering of the component materials ( 20 a, 20 b ) by means of thermal and/or electromagnetic energy supplied in the region of the buildup and joining zone (I), d) lowering of the component platform by a predefined layer thickness; and e) repetition of steps a) to d) until the component ( 12 ) is finished. The invention further relates to a device ( 10 ) for producing a component ( 12 ) of a turbomachine, especially a hollow structural part for a turbomachine.

1 - 15 . (canceled) 
     
     
         16 . A method for producing a hollow component for a turbomachine, the method comprising the following steps:
 a) depositing layer-by-layer at least one powder component material onto a component platform in the region of a buildup and joining zone;   b) depositing at least one liquid component material onto the powder component material, the liquid component material comprising at least one metal-containing compound;   c) performing at least one of locally fusing and/or locally sintering, layer-by-layer, the powder and liquid component materials by means of at least one of thermal energy and/or electromagnetic energy supplied in the region of the buildup and joining zone;   d) lowering the component platform by a predefined layer thickness; and   e) repeating steps a) to d) until the component is finished.   
     
     
         17 . The method according to  claim 16 , wherein the powder component material used in step a) comprises at least one of:
 a metal; and/or   a metal alloy; and/or   an intermetallic compound; and/or   a metal ceramic; and/or   a silicate.   
     
     
         18 . The method according to  claim 16 , wherein the choice of a powder size and/or a powder quantity of the powder component material and/or the choice of a volume of the liquid component material depends on a layer thickness to be achieved. 
     
     
         19 . The method according to  claim 16 , wherein the liquid component material used in step b) comprises at least one of:
 an organometallic compound; and/or   a metal salt; and/or   nanoparticles; and/or   a solvent; and/or   a suspension agent.   
     
     
         20 . The method according to  claim 16 , wherein the liquid component material used in step b) has at least one of a decomposition temperature and/or a cleavage temperature and/or a sintering temperature and/or a melting temperature that lies below the melting point of the powder component material. 
     
     
         21 . The method according to  claim 16 , wherein at least one of the powder component material and/or the liquid component material are deposited by means of a printhead. 
     
     
         22 . The method according to  claim 21 , wherein the printhead is a multiple printhead. 
     
     
         23 . The method according to  claim 16 , wherein prior to step d), at least the steps a) and b) are carried out simultaneously and/or in reverse sequence and/or repeatedly. 
     
     
         24 . The method according to  claim 23 , wherein prior to step d), at least the steps a), b) and c) are carried out simultaneously and/or in reverse sequence and/or repeatedly. 
     
     
         25 . The method according to  claim 16 , wherein the energy in step c) is supplied by at least one of:
 a lamp; and/or   an IR lamp; and/or   a flash lamp; and/or   a high-energy lamp; and/or   a laser; and/or   a CO 2  laser; and/or   a Nd:YAG laser, and/or   a microwave device.   
     
     
         26 . The method according to one of  claim 16 , wherein the method comprises at least one of:
 a rapid prototyping method; and/or   a rapid manufacturing method; and/or   laser deposition welding; and/or   electron beam powder deposition welding.   
     
     
         27 . The method according to  claim 16 , wherein at least one of the shape of the component and/or the material structure of the component is determined as a computer-generated model, from which generated layer information is used for controlling and/or regulating at least one of the steps a) to e). 
     
     
         28 . The method according to  claim 16 , wherein the component produced is one of a hollow vane for a turbine of a thermal gas turbine or a hollow vane for a compressor of a thermal gas turbine. 
     
     
         29 . A method for producing a component, the method comprising the following steps:
 a) depositing layer-by-layer at least one powder component material onto a component platform in the region of a buildup and joining zone;   b) depositing at least one liquid component material onto the powder component material, the liquid component material comprising at least one metal-containing compound;   c) performing at least one of locally fusing and/or locally sintering, layer-by-layer, the powder and liquid component materials by means of at least one of thermal energy and/or electromagnetic energy supplied in the region of the buildup and joining zone;   d) lowering the component platform by a predefined layer thickness; and   e) repeating steps a) to d) until the component is finished.   
     
     
         30 . The method according to  claim 29 , wherein the powder component material used in step a) comprises at least one of:
 a metal; and/or   a metal alloy; and/or   an intermetallic compound; and/or   a metal ceramic; and/or   a silicate.   
     
     
         31 . The method according to  claim 29 , wherein the liquid component material used in step b) comprises at least one of:
 an organometallic compound; and/or   a metal salt; and/or   nanoparticles; and/or   a solvent; and/or   a suspension agent.   
     
     
         32 . A device for producing a component of a turbomachine, the device comprising:
 a component platform;   at least one powder feed configured to deposit at least one powder component material onto the component platform in the region of a buildup and joining zone;   at least one liquid feed configured to deposit a liquid component material that comprises at least one metal-containing compound onto the component platform in the region of the buildup and joining zone; and   at least one energy source configured to perform at least one of locally fusing and/or locally sintering, layer-by-layer, the powder and liquid component materials by means of thermal and/or electromagnetic energy supplied in the region of the buildup and joining zone.   
     
     
         33 . The device according to  claim 32 , wherein the energy source is at least one of:
 a lamp; and/or   a laser; and/or   an electron beam device; and/or   a microwave device.   
     
     
         34 . The device according to  claim 32 , wherein the liquid feed comprises a printhead for deposition of the liquid component material. 
     
     
         35 . The device according to  claim 32 , wherein the liquid feed comprises at least one nozzle, through which the liquid component material is deposited onto the component platform.